ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkSmartPointerForwardReference.h
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3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef itkSmartPointerForwardReference_h
19 #define itkSmartPointerForwardReference_h
20 
21 #include "itkWeakPointer.h"
22 
23 #include <iostream>
24 
25 namespace itk
26 {
47 template< typename T >
49 {
50 public:
53  { m_Pointer = ITK_NULLPTR; }
54 
57 
60 
63 
66 
68  T * operator->() const;
69 
71  operator T *() const;
72 
74  T * GetPointer() const;
75 
78 
81 
84 
87 
90 
93 
96 
98  T * Print(std::ostream & os) const;
99 
100 private:
103 
104  void Register();
105 
106  void UnRegister() ITK_NOEXCEPT;
107 };
108 
109 template< typename T >
110 std::ostream & operator<<(std::ostream & os, SmartPointerForwardReference< T > p)
111 {
112  p.Print(os);
113  return os;
114 }
115 } // end namespace itk
116 
117 #endif
SmartPointerForwardReference & operator=(const SmartPointerForwardReference &r)
Implements a weak reference to an object.
bool operator>(const SmartPointerForwardReference &r)
bool operator<=(const SmartPointerForwardReference &r)
bool operator>=(const SmartPointerForwardReference &r)
T * Print(std::ostream &os) const
bool operator<(const SmartPointerForwardReference &r)
Implements transparent reference counting in situations where forward references / cyclic include dep...